Create your first invoice in 30 seconds

Free invoicing and expense tracking for small businesses. Works offline, no account needed. Your data stays on your device.

Start now

No signup, no install. Opens right in your browser.

100% private
Works offline
Any device
Free to use
Install on your device

Already works in your browser! But for the best experience, install it as an app:

  1. Open Safari and go to mubsiraanalytics.com/business
  2. Tap the Share button (the square with the arrow pointing up)
  3. Scroll down and tap Add to Home Screen
  4. Tap Add. The app icon will appear on your home screen.
  1. Open Chrome and go to mubsiraanalytics.com/business
  2. Tap the three-dot menu in the top right corner
  3. Tap Install app or Add to Home Screen
  4. Confirm. The app will install and appear in your app drawer.
  1. Open Chrome or Edge and go to mubsiraanalytics.com/business
  2. Click the install icon in the address bar, or choose Install from the browser menu
  3. Click Install. The app opens in its own window like a native application.

Everything you need, nothing you don't

Invoices, expenses, clients, receipts, and reports. Built for electricians, consultants, freelancers, and contractors.

Professional invoices and quotes

Create, preview, and print PDF invoices with your logo, taxes, and custom notes. Separate defaults for quotes and invoices.

Expense tracking with receipts

Log expenses by category, attach receipt photos or PDFs, and track tax deductions. Batch entry for recurring costs.

Client management

Keep a client directory with contact info, invoice history, and project links. Full dossier view for each client.

Dashboard and reports

See revenue, expenses, and profit at a glance. Export accountant-ready reports and full data backups anytime.

Your data stays on your device. Period.

Mubsira Business runs entirely in your browser. There is no server, no account, no tracking. Your invoices, expenses, and client data are stored locally and never transmitted anywhere.

No server No account needed No analytics or tracking Works without internet

Frequently asked questions

How do I install Mubsira Business on my phone?
On iPhone or iPad, open Safari, go to mubsiraanalytics.com/business, tap the Share button, then "Add to Home Screen". On Android, open Chrome, tap the three-dot menu, then "Install app" or "Add to Home Screen".
Is Mubsira Business really free?
Yes. All core features — invoicing, expense tracking, client management, and reports — are completely free. No account or credit card needed.
Does it work without internet?
Yes. Mubsira Business is a Progressive Web App (PWA) that works fully offline once loaded. Your data is stored locally on your device.
Is my data private?
Absolutely. There is no server, no account, and no tracking. All your invoices, expenses, and client data stay on your device and are never transmitted anywhere.